Agate is a type of chalcedony, or microcrystalline quartz [SiO2]. Often found in veins within other deposits, brecciated agate displays a stunning variety of colors, patterns, and nodules.
In the case of this specimen, the original green rock was shattered due to tectonic activity, then filled with hydrothermal fluid which deposited quartz and other minerals.
Size: 52 mm x 27 mm Girdle: ~3 mm Weight: 55.9 carats Cut: Freeform Material: Brecciated Agate (microcrystalline SiO2) Back: Unpolished with slight bevel
